[Boost-commit] svn:boost r65502 - in sandbox/chrono/libs/chrono: example test

Subject: [Boost-commit] svn:boost r65502 - in sandbox/chrono/libs/chrono: example test
From: vicente.botet_at_[hidden]
Date: 2010-09-21 00:56:12

Author: viboes
Date: 2010-09-21 00:56:09 EDT (Tue, 21 Sep 2010)
New Revision: 65502
URL: http://svn.boost.org/trac/boost/changeset/65502

Log:
Added chrono_io examples
Added:
   sandbox/chrono/libs/chrono/example/io_ex1.cpp   (contents, props changed)
   sandbox/chrono/libs/chrono/example/io_ex2.cpp   (contents, props changed)
   sandbox/chrono/libs/chrono/example/io_ex3.cpp   (contents, props changed)
   sandbox/chrono/libs/chrono/example/io_ex4.cpp   (contents, props changed)
   sandbox/chrono/libs/chrono/example/io_ex5.cpp   (contents, props changed)
Text files modified: 
   sandbox/chrono/libs/chrono/test/Jamfile.v2 |    12 ++++++++++++                            
   1 files changed, 12 insertions(+), 0 deletions(-)

Added: sandbox/chrono/libs/chrono/example/io_ex1.cpp
==============================================================================
--- (empty file)
+++ sandbox/chrono/libs/chrono/example/io_ex1.cpp	2010-09-21 00:56:09 EDT (Tue, 21 Sep 2010)
@@ -0,0 +1,84 @@
+//  io_ex1.cpp  ----------------------------------------------------------//
+
+//  Copyright 2010 Howard Hinnant
+//  Copyright 2010 Vicente J. Botet Escriba
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+/*
+This code was adapted by Vicente J. Botet Escriba from Hinnant's html documentation.
+Many thanks to Howard for making his code available under the Boost license.
+
+*/
+
+#include <iostream>
+#include <boost/chrono/chrono_io.hpp>
+
+int main()
+{
+    using namespace std;
+    using namespace boost;
+    using namespace boost::chrono;
+
+    cout << "milliseconds(3) + microseconds(10) = "
+         <<  milliseconds(3) + microseconds(10) << '\n';
+
+    cout << "hours(3) + minutes(10) = "
+         <<  hours(3) + minutes(10) << '\n';
+
+    typedef duration<long long, ratio<1, 2500000000> > ClockTick;
+    cout << "ClockTick(3) + nanoseconds(10) = "
+         <<  ClockTick(3) + nanoseconds(10) << '\n';
+
+    cout << "\nSet cout to use short names:\n";
+    cout << duration_short;
+
+    cout << "milliseconds(3) + microseconds(10) = "
+         <<  milliseconds(3) + microseconds(10) << '\n';
+
+    cout << "hours(3) + minutes(10) = "
+         <<  hours(3) + minutes(10) << '\n';
+
+    cout << "ClockTick(3) + nanoseconds(10) = "
+         <<  ClockTick(3) + nanoseconds(10) << '\n';
+
+    cout << "\nsystem_clock::now() = " << system_clock::now() << '\n';
+#ifdef BOOST_CHRONO_HAS_CLOCK_MONOTONIC
+    cout << "monotonic_clock::now() = " << monotonic_clock::now() << '\n';
+#endif    
+    cout << "\nSet cout to use long names:\n" << duration_long
+         << "high_resolution_clock::now() = " << high_resolution_clock::now() << '\n';
+    return 0;
+}
+
+//~ milliseconds(3) + microseconds(10) = 3010 microseconds
+//~ hours(3) + minutes(10) = 190 minutes
+//~ ClockTick(3) + nanoseconds(10) = 56 [1/5000000000]seconds
+
+//~ Set cout to use short names:
+//~ milliseconds(3) + microseconds(10) = 3010 µs
+//~ hours(3) + minutes(10) = 190 m
+//~ ClockTick(3) + nanoseconds(10) = 56 [1/5000000000]s
+
+//~ system_clock::now() = 1284923218301231 µs since Jan 1, 1970
+//~ monotonic_clock::now() = 18588963676886 ns since boot
+
+//~ Set cout to use long names:
+//~ high_resolution_clock::now() = 18588963785548 nanoseconds since boot
+
+//~ milliseconds(3) + microseconds(10) = 3010 microseconds
+//~ hours(3) + minutes(10) = 190 minutes
+//~ ClockTick(3) + nanoseconds(10) = 56 [1/5000000000]seconds
+
+//~ Set cout to use short names:
+//~ milliseconds(3) + microseconds(10) = 3010 µs
+//~ hours(3) + minutes(10) = 190 m
+//~ ClockTick(3) + nanoseconds(10) = 56 [1/5000000000]s
+
+//~ system_clock::now() = 1285041215052875000 ns since Jan 1, 1970
+//~ monotonic_clock::now() = 2793 ns since boot
+
+//~ Set cout to use long names:
+//~ high_resolution_clock::now() = 8660 nanoseconds since boot
+

Added: sandbox/chrono/libs/chrono/example/io_ex2.cpp
==============================================================================
--- (empty file)
+++ sandbox/chrono/libs/chrono/example/io_ex2.cpp	2010-09-21 00:56:09 EDT (Tue, 21 Sep 2010)
@@ -0,0 +1,38 @@
+//  io_ex2.cpp  ----------------------------------------------------------//
+
+//  Copyright 2010 Howard Hinnant
+//  Copyright 2010 Vicente J. Botet Escriba
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+/*
+This code was adapted by Vicente J. Botet Escriba from Hinnant's html documentation.
+Many thanks to Howard for making his code available under the Boost license.
+
+*/
+
+#include <boost/chrono/chrono_io.hpp>
+#include <sstream>
+#include <cassert>
+
+int main()
+{
+    using namespace std;
+    using namespace boost::chrono;
+
+    istringstream in("5000 milliseconds 4000 ms 3001 ms");
+    seconds d(0);
+    in >> d;
+    assert(in.good());
+    assert(d == seconds(5));
+    in >> d;
+    assert(in.good());
+    assert(d == seconds(4));
+    in >> d;
+    assert(in.fail());
+    assert(d == seconds(4));
+    
+    return 0;
+}
+

Added: sandbox/chrono/libs/chrono/example/io_ex3.cpp
==============================================================================
--- (empty file)
+++ sandbox/chrono/libs/chrono/example/io_ex3.cpp	2010-09-21 00:56:09 EDT (Tue, 21 Sep 2010)
@@ -0,0 +1,51 @@
+//  io_ex1.cpp  ----------------------------------------------------------//
+
+//  Copyright 2010 Howard Hinnant
+//  Copyright 2010 Vicente J. Botet Escriba
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+/*
+This code was adapted by Vicente J. Botet Escriba from Hinnant's html documentation.
+Many thanks to Howard for making his code available under the Boost license.
+
+*/
+
+#include <boost/chrono/chrono_io.hpp>
+#include <sstream>
+#include <iostream>
+#include <cassert>
+
+int main() 
+{
+    using namespace std;
+    using namespace boost::chrono;
+
+    high_resolution_clock::time_point t0 = high_resolution_clock::now();
+    stringstream io;
+    io << t0;
+    high_resolution_clock::time_point t1;
+    io >> t1;
+    assert(!io.fail());
+    cout << io.str() << '\n';
+    cout << t0 << '\n';
+    cout << t1 << '\n';
+    high_resolution_clock::time_point t = high_resolution_clock::now();
+    cout << t << '\n';
+    
+    cout << "That took " << t - t0 << '\n';
+    cout << "That took " << t - t1 << '\n';
+    
+    return 0;
+}
+
+//~ 50908679121461 nanoseconds since boot
+//~ That took 649630 nanoseconds
+
+//~ 2793 nanoseconds since boot
+//~ That took 5410464 nanoseconds
+//~ That took 5454045 nanoseconds
+
+//~ 1285042579381375000 nanoseconds since Jan 1, 1970
+//~ That took 15000000 nanoseconds

Added: sandbox/chrono/libs/chrono/example/io_ex4.cpp
==============================================================================
--- (empty file)
+++ sandbox/chrono/libs/chrono/example/io_ex4.cpp	2010-09-21 00:56:09 EDT (Tue, 21 Sep 2010)
@@ -0,0 +1,32 @@
+//  io_ex1.cpp  ----------------------------------------------------------//
+
+//  Copyright 2010 Howard Hinnant
+//  Copyright 2010 Vicente J. Botet Escriba
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+/*
+This code was adapted by Vicente J. Botet Escriba from Hinnant's html documentation.
+Many thanks to Howard for making his code available under the Boost license.
+
+*/
+
+#include <boost/chrono/chrono_io.hpp>
+#include <iostream>
+
+int main()
+{
+    using namespace std;
+    using namespace boost;
+    using namespace boost::chrono;
+
+#ifdef BOOST_CHRONO_HAS_CLOCK_MONOTONIC
+    typedef time_point<monotonic_clock, duration<double, ratio<3600> > > T;
+    T tp = monotonic_clock::now();
+    std::cout << tp << '\n';
+#endif
+    return 0;    
+}
+
+//~ 17.8666 hours since boot

Added: sandbox/chrono/libs/chrono/example/io_ex5.cpp
==============================================================================
--- (empty file)
+++ sandbox/chrono/libs/chrono/example/io_ex5.cpp	2010-09-21 00:56:09 EDT (Tue, 21 Sep 2010)
@@ -0,0 +1,90 @@
+//  io_ex1.cpp  ----------------------------------------------------------//
+
+//  Copyright 2010 Howard Hinnant
+//  Copyright 2010 Vicente J. Botet Escriba
+
+//  Distributed under the Boost Software License, Version 1.0.
+//  See http://www.boost.org/LICENSE_1_0.txt
+
+/*
+This code was adapted by Vicente J. Botet Escriba from Hinnant's html documentation.
+Many thanks to Howard for making his code available under the Boost license.
+
+*/
+
+#include <boost/chrono/chrono_io.hpp>
+#include <ostream>
+#include <iostream>
+
+// format duration as [-]d/hh::mm::ss.cc
+template <class CharT, class Traits, class Rep, class Period>
+std::basic_ostream<CharT, Traits>&
+display(std::basic_ostream<CharT, Traits>& os,
+        boost::chrono::duration<Rep, Period> d)
+{
+    using namespace std;
+    using namespace boost;
+    using namespace boost::chrono;
+
+    typedef duration<long long, ratio<86400> > days;
+    typedef duration<long long, centi> centiseconds;
+
+    // if negative, print negative sign and negate
+    if (d < duration<Rep, Period>(0))
+    {
+        d = -d;
+        os << '-';
+    }
+    // round d to nearest centiseconds, to even on tie
+    centiseconds cs = duration_cast<centiseconds>(d);
+    if (d - cs > milliseconds(5)
+        || (d - cs == milliseconds(5) && cs.count() & 1))
+        ++cs;
+    // separate seconds from centiseconds
+    seconds s = duration_cast<seconds>(cs);
+    cs -= s;
+    // separate minutes from seconds
+    minutes m = duration_cast<minutes>(s);
+    s -= m;
+    // separate hours from minutes
+    hours h = duration_cast<hours>(m);
+    m -= h;
+    // separate days from hours
+    days dy = duration_cast<days>(h);
+    h -= dy;
+    // print d/hh:mm:ss.cc
+    os << dy.count() << '/';
+    if (h < hours(10))
+        os << '0';
+    os << h.count() << ':';
+    if (m < minutes(10))
+        os << '0';
+    os << m.count() << ':';
+    if (s < seconds(10))
+        os << '0';
+    os << s.count() << '.';
+    if (cs < centiseconds(10))
+        os << '0';
+    os << cs.count();
+    return os;
+}
+
+int main()
+{
+    using namespace std;
+    using namespace boost;
+    using namespace boost::chrono;
+
+#ifdef BOOST_CHRONO_HAS_CLOCK_MONOTONIC
+    display(cout, monotonic_clock::now().time_since_epoch()
+                  + duration<long, mega>(1)) << '\n';
+#endif    
+    display(cout, -milliseconds(6)) << '\n';
+    display(cout, duration<long, mega>(1)) << '\n';
+    display(cout, -duration<long, mega>(1)) << '\n';
+}
+
+//~ 12/06:03:22.95
+//~ -0/00:00:00.01
+//~ 11/13:46:40.00
+//~ -11/13:46:40.00

Modified: sandbox/chrono/libs/chrono/test/Jamfile.v2
==============================================================================
--- sandbox/chrono/libs/chrono/test/Jamfile.v2	(original)
+++ sandbox/chrono/libs/chrono/test/Jamfile.v2	2010-09-21 00:56:09 EDT (Tue, 21 Sep 2010)
@@ -62,8 +62,11 @@
         [ run manipulate_clock_object.cpp :  :  :  : manipulate_clock_object_dll ]
         [ run chrono_accuracy_test.cpp :  :  : <link>static ]
         [ run chrono_accuracy_test.cpp :  :  :  : chrono_accuracy_test_dll ]
+        ;
 
 
+    test-suite "examples"
+        :
         [ run ../example/cycle_count.cpp :  :  : <link>static ]
         [ run ../example/cycle_count.cpp :  :  :  : cycle_count_dll ]
         [ run ../example/runtime_resolution.cpp :  :  : <link>static ]
@@ -220,3 +223,12 @@
         [ run clock/system/to_time_t.pass.cpp :  :  : <link>static : clock.system.to_time_t.pass ]
         ;
 
+
+    test-suite "io"
+        :
+        [ run ../example/io_ex1.cpp :  :  : <link>static ]
+        [ run ../example/io_ex2.cpp :  :  : <link>static ]
+        [ run ../example/io_ex3.cpp :  :  : <link>static ]
+        [ run ../example/io_ex4.cpp :  :  : <link>static ]
+        [ run ../example/io_ex5.cpp :  :  : <link>static ]
+        ;